Film your swing from the side angle. Any phone camera works — no special equipment.
Drop the video into BSI. Our AI processes it in under 60 seconds.
33 body landmarks tracked across every frame. 12 swing dimensions scored.
Chat with your AI coach about what the numbers mean and how to improve.
From weight distribution through follow-through balance — every phase of your swing measured and scored.
MediaPipe pose estimation maps 33 body landmarks across every frame. See your mechanics in motion.
Ask follow-up questions about YOUR swing. AI references specific frames and measurements — not generic advice.
Baseball, fast-pitch softball, and slow-pitch softball — each with sport-specific models and ideal ranges.
Targeted drills based on your weakest metrics. Not a drill library — drills chosen for YOUR swing.
Explore 3D biomechanics models comparing swing mechanics across baseball and softball. Interactive body position tracking, joint angle measurements, and phase-by-phase breakdowns — built for players and coaches who want to see the science behind the swing.
Open Biomechanics Lab